feat: three nuxt frontends, demo seed, rounding + money-exponent + rate-cast fixes, archived specs

2026-09-17 13:34:38 +08:00
parent dc9fd31c5e
commit 653f13161a
85 changed files with 4327 additions and 106 deletions
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+# cart Specification
+
+## Purpose
+TBD - created by archiving change cart-checkout-orders. Update Purpose after archive.
+## Requirements
+### Requirement: Server-side cart
+Authenticated shoppers SHALL have a Redis-backed cart keyed by user id, containing sku_id + qty entries.
+
+#### Scenario: add and update
+- **WHEN** a shopper POSTs sku + qty, then PUTs a new qty
+- **THEN** GET /api/cart reflects the latest qty with current price/name snapshot
+
+#### Scenario: unpurchasable SKU rejected
+- **WHEN** adding a SKU that is inactive or whose product is not published
+- **THEN** the API returns 400
+